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Minding the API Hierarchy of Needs with RAML and APIkit

Reza Shafii explains how to satisfy two fundamental needs of API design and implementation, as defined by the API hierarchy of needs, with RAML, API Designer and APIkit.

Reza Shafii
on Jan 15, 2014
Discover and Diagnose Java Concurrency Problems Using Contemplate's ThreadSafe

Writing Java software that correctly and safely makes use of concurrency requires careful thought. Software that incorrectly accounts for concurrency can contain intermittent defects that elude even the most rigorous testing regimes. Static analysis tools can analyze source code or compiled bytecode to discover latent bugs hidden within code, long before it is executed.

Robert Atkey
on Jan 14, 2014
Intelligent Evolution: Making Change Work

Some 80% of all improvement and change programmes fail: they did not achieve the expected results, the investment in the change programme was greater than the value achieved, “improvements” were seen as mostly bureaucratic, or changes were abandoned soon after the implementation. Intelligent Evolution ensures long-term business success rather than short-term satisfaction of a standard or theory.

Peter Leeson
on Jan 13, 2014
Preparing for Your First MongoDB Deployment: Backup and Security

This article we focuses on the database backup tools and security policies when deploying MongoDB NoSQL databases. Topics like cloud backups with MongoDB Management Service (MMS), authentication, and authorization are covered.

Mat Keep
on Jan 05, 2014
Design Patterns: Magic or Myth?

In this article, author discusses the effectiveness of the usage of design patterns in software development. The analysis is based on surveys and mapping studies conducted to indicate which patterns were considered useful under what circumstances.

David Budgen
on Jan 04, 2014
Pragmatic Techniques for Maintaining a Legacy Application

Maintaining a legacy application can make you feel like mice in a maze. In this article Ping Chen shares her experiences on how to pragmatically maintain a large legacy application. "Pragmatic” is the operative word; since a legacy application can have lots of technical debt, one has to be strategic in choosing the right battles.

Chen Ping
on Jan 02, 2014
Monty Taylor and Jim Blair on CI and Test Automation at OpenStack

Monty Taylor and James Blair talk about the build and test challenges they face at OpenStack, and how they managed to tackle them. Managing hundreds of VMs on public clouds, integrating up to 400 commits a day and running thousands of test jobs on them are some of the challenges described.

Sai Yang
on Dec 29, 2013
Building a Real-time, Personalized Recommendation System with Kiji

Jon Natkins explains in this article how to create a personalized recommendation system fed with large amounts of real-time data using Kiji, which leverages HBase, Avro, Map-Reduce and Scalding.

Jon Natkins
on Dec 26, 2013
Visualizing Java Garbage Collection

Garbage Collection, like Backgammon takes minutes to learn and a lifetime to master. In this article Master trainer/consultant Ben Evans summarizes his recent InfoQ presentation "Visualizing Garbage Collection" where he discusses Garbage Collection from the ground up.

Ben Evans
on Dec 25, 2013
Architecture and Agility: Married, Divorced, or Just Good Friends?

This article describes the relationship between architecture and process of software development and how architecture can responds to a set of needs, such as functional requirements, operational characteristics, and developer habitability. It also talks about the role of pragmatic architects when working with developers and stakeholders.

Kevlin Henney Frank Buschmann
on Dec 21, 2013
Cassandra CLI Internals Using JArchitect

Cassandra CLI is a useful tool for Cassandra administrators. It's a good example of how to implement a Cassandra client and CLI internals help us to develop custom Cassandra clients or even extend the CLI tool. In this article, author explores Cassandra CLI architecture model using JArchitect tool and CQLinq language to analyze its code base.

Dane Dennis
on Dec 19, 2013
Don’t jump the SQL ship just yet

The SQL language has been evolving steadily over the last two decades. At the same time, the verbosity caused by the JDBC API in Java client code and the lack of first class SQL support within the Java language have led to the introduction of ORMs such as Hibernate, which was later standardised into JPA and the Criteria API.If SQL and JPA are diverging, where will our data interaction patterns go?

Lukas Eder
on Dec 18, 2013